MasterClass
      Protecting Your Voice (5x4)
      
      Ημερομηνία προβολής: Αυγ 29, 2015
      Your voice is an instrument. Learn to protect it as Christina talks about the top three things to avoid, adjusting to different environments, and cures to heal a strained voice.
     
    
      
        
        
          
            - Πρώτη προβολή: Ιαν 2014
 
            - Επεισόδια: 2661
 
            - Ακόλουθοι: 1
 
          
         
        
          
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